as you case i got before but me and you terbalik me is come too many days. Sometime i come 1 month period non stop. But i consult doctor to check actually is hormon problem, i got a fren like you come lesser her period only come 2 days finish and is come abit . She consult doctor is because hormon no balance. After you adjust your body will be ok. Like now my period stable for every month so cheer up. Don't be stupid cos of this to suicide. Your case is small things just hormon no balance. Please look for a doctor to consult will be alrite ^^